Premium oil-based ink resists fading and performs across extreme temperature ranges

Twelve carefully selected colors cover primary and secondary values plus essential mixing anchors — enough to start building a serious working palette

or adding a glowing accent under darker lettering

built around primary and secondary tones rather than specialized shades

without ghosting or pilling the paper

pentel energel blp77 permanent document rollerball pen 0 7 mm Pentel Colors:Black Premium oil-based ink resists fadingThe archival grade configuration of the EnerGel range same fluid gel performance as the BL77 with ISO 27668 2 certified permanent document ink that is fully waterproof, lightfast, and tamper resistant against alcohol and chemical extraction. Built for lawyers, financial controllers, medical staff, and long term journal keepers who need legally compliant permanent records. Available in Black and Blue. Tip: 0. 7 mm conical metal 0. 35 mm archival line